145255331101 has 4 divisors (see below), whose sum is σ = 145275211900. Its totient is φ = 145235450304.

The previous prime is 145255331087. The next prime is 145255331141. The reversal of 145255331101 is 101133552541.

145255331101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52784603001 + 92470728100 = 229749^2 + 304090^2 .

It is a cyclic number.

It is not a de Polignac number, because 145255331101 - 2⁵ = 145255331069 is a prime.

It is a super-2 number, since 2×145255331101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145255331141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9929436 + ... + 9944053.

It is an arithmetic number, because the mean of its divisors is an integer number (36318802975).

Almost surely, 2^145255331101 is an apocalyptic number.

It is an amenable number.

145255331101 is a deficient number, since it is larger than the sum of its proper divisors (19880799).

145255331101 is an equidigital number, since it uses as much as digits as its factorization.

145255331101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19880798.

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 145255331101 its reverse (101133552541), we get a palindrome (246388883642).

The spelling of 145255331101 in words is "one hundred forty-five billion, two hundred fifty-five million, three hundred thirty-one thousand, one hundred one".